package com.example.winner.spinnerdemo1;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private static final String[] countriesStr ={ "广州", "从化", "武汉", "汕头" };
    private TextView myTextView;
    private Spinner mySpinner;
    private ArrayAdapter adapter;
    Animation myAnimation;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        myTextView = (TextView) findViewById(R.id.myTextView);
        mySpinner = (Spinner) findViewById(R.id.mySpinner);
        adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, countriesStr);
        adapter.setDropDownViewResource(R.layout.dropdown);
        mySpinner.setAdapter(adapter);
        mySpinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener()
        {
            @Override
            public void onItemSelected(AdapterView arg0, View arg1, int arg2, long arg3)
            {
                myTextView.setText("选择的是" + countriesStr[arg2]);
                arg0.setVisibility(View.VISIBLE);
            }

            @Override
            public void onNothingSelected(AdapterView arg0)
            {

            }
        });
        myAnimation = AnimationUtils.loadAnimation(this, R.anim.anim);
        mySpinner.setOnTouchListener(new Spinner.OnTouchListener()
        {
            @Override
            public boolean onTouch(View v, MotionEvent event)
            {
                v.startAnimation(myAnimation);
                v.setVisibility(View.INVISIBLE);
                return false;
            }
        });
        mySpinner.setOnFocusChangeListener(new Spinner.OnFocusChangeListener()
        {
            @Override
            public void onFocusChange(View v, boolean hasFocus)
            {

            }
        });
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.spinner_demo1, menu);
        return true;
    }
}
